<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="../../vue.js"></script>
    <title>Document</title>
</head>

<body>
    <div id="root">
        <h1>列表渲染</h1>
        <input type="text" placeholder="请输入名字" v-model="keyWord">
        <ul>
            <li v-for="item in filperson" :key="item.id">
                {{item.name}} -- {{item.age}} -- {{item.sex}}
            </li>
        </ul>
    </div>
</body>
<script>
    // 用watch实现模糊搜索
    const vm = new Vue({
        data() {
            return {
                keyWord: '',
                persons: [
                    { id: 01, name: '马冬梅', age: 18, sex: '女' },
                    { id: 02, name: '周东雨', age: 19, sex: '女' },
                    { id: 03, name: '周杰伦', age: 20, sex: '男' },
                    { id: 04, name: '温兆伦', age: 21, sex: '男' }
                ],
                filpersons:[]
            }
        },
        watch: {
            keyWord: {
                immediate: true,
                handler(val) {
                    this.filperson = this.persons.filter((p) => {
                        return p.name.indexOf(val) !== -1
                    })
                }
            }
        }
    }).$mount('#root')


    // 用计算属性computed 实现
    // const vm = new Vue({
    //         data() {
    //             return {
    //                 keyWord: '',
    //                 persons: [
    //                     { id: 01, name: '马冬梅', age: 18, sex: '女' },
    //                     { id: 02, name: '周冬雨', age: 19, sex: '女' },
    //                     { id: 03, name: '周杰伦', age: 20, sex: '男' },
    //                     { id: 04, name: '温兆伦', age: 21, sex: '男' }
    //                 ],
    //             }
    //         },
    //         computed:{
    //             filperson(){
    //                 return this.persons.filter((p)=>{
    //                     return p.name.indexOf(this.keyWord) !== -1
    //                 })
    //             }
    //         }
    //     }).$mount('#root')
</script>

</html>